Graduated from Beijing University of Posts and Telecommunications majoring in communication engineering and Beijing University of Posts and Telecommunications majoring in computer application, with bachelor's and master's degrees in engineering successively; 199 1, worked in the broadband network research center of the State Key Laboratory of Network and Switching Technology, School of Computer Science and Technology, Beijing University of Posts and Telecommunications. He is currently the vice president of the School of Computer Science and Technology of Beijing University of Posts and Telecommunications and a member of the academic committee.

He has been to Alcatel Belgium, Ericsson Sweden, Siemens West Germany, Nortel Canada and Nokia Finland for cooperative research and academic exchanges. 1999 participated in the plenary meeting of ITU-T Group 1 1 (signaling group) held in China as a member of the technical expert group of the Ministry of Information Industry; September 2000-200165438+February Senior Visiting Scholar, University of Ottawa, Canada. Visiting Professor, Department of Computer Science and Engineering, Helsinki University of Technology, Finland, from August to June, 2006, 5438+00 and from June to February, 2007. Participated in the technical examination and approval of ISDN national standards.